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Circular counter flow fiberglass cooling tower

Commodity name： Circular counter flow fiberglass cooling tower

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DBNL₃ series low noise counter flow cooling tower

Parameters/Model	T=28 ℃ cooling water volume（m³/h）		T=27 ℃ cooling water volume（m³/h）		Dimensions（mm）		Air volume（m³/h)	Fan diameter（mm）	Power（kw）	Operating heavy（kg）	Water inlet pressure 10*pа	Noise dB（A）			Diameter
Parameters/Model	△t=5℃	△t=8℃	△t=5℃	△t=8℃	Total height	Maximum diameter	Air volume（m³/h)	Fan diameter（mm）	Power（kw）	Operating heavy（kg）	Water inlet pressure 10*pа	Dm	10m	16m	Diameter
DBNL3-5	5	3	7	4	1440	820	4900	500	0.37	224	1.87	53	39.2	36.1	1.3
DBNL3-8	8	6	10	7	1650	820	5800	600	0.37	275	1.92	53	39.8	36.9	1.3
DBNL3-12	12	9	15	10	2033	1210	7200	700	0.55	484	1.96	54	40.3	36.6	1.5
DBNL3-20	20	15	24	17	2123	1460	12400	800	0.75	514	2	54	41.1	37.5	1.5
DBNL3-30	30	22	35	27	2342	1912	12400	1200	1.1	956	2.21	55	43.5	39.9	1.8
DBNL3-40	40	30	46	34	2842	1912	21500	1200	1.1	1118	2.6	55	43.5	39.9	1.8
DBNL3-50	50	37	57	44	2830	2215	28000	1400	1.5	1480	2.65	55	44.7	41.1	2.1
DBNL3-60	60	44	68	51	3080	2215	32300	1400	1.5	1592	2.9	56	45.7	42.1	2.1
DBNL3-70	70	51	79	60	3094	2629	39200	1600	2.2	2064	2.78	56	47	43	2.5
DBNL3-80	80	61	92	70	3344	2629	43400	1600	2.2	2243	3.03	56.5	47.5	43.5	2.5
DBNL3-100	100	74	114	86	3294	3134	56000	1800	3	3064	2.86	57	50	46	3
DBNL3-125	125	92	142	108	3544	3134	67200	1800	3	3290	3.15	58	50.7	47.4	3
DBNL3-150	150	112	171	129	3553	3732	84000	2400	4	4125	2.9	58.5	52	48.6	3.6
DBNL3-175	175	131	200	150	3803	3732	94300	2400	4	4461	3.15	59.5	53	49.6	3.6
DBNL3-200	200	153	231	180	3835	4342	112000	2800	5.5	5592	3.01	60	54.6	51.3	4.2
DBNL3-250	250	186	283	215	4085	4342	134300	2800	5.5	6365	3.26	61	55.6	52.3	4.2
DBNL3-300	300	225	334	260	4223	5134	168000	3400	7.5	9229	3.5	61	56.8	53.5	5
DBNL3-350	350	267	395	304	4473	5134	187400	3400	7.5	9906	3.75	61.5	57.3	54	5
DBNL3-400	400	301	455	341	4618	6044	224000	3800	11	12086	3.6	62	58.8	55.7	5.9
DBNL3-450	450	343	514	387	4868	6044	242000	3800	11	13646	3.85	62	58.8	55.7	5.9
DBNL3-500	500	375	576	427	5219	6746	280000	4200	15	16258	3.7	62	60	56.9	6.6
DBNL3-600	600	454	680	516	5719	6746	302200	4200	15	18360	4.2	63	61	57.4	6.6
DBNL3-700	700	528	790	600	5589	7766	393500	4700	18.5	23194	3.95	63	61.4	58.4	7.6
DBNL3-800	800	590	890	685	6089	7766	408000	4700	22	25982	4.45	63	61.4	58.4	7.6
DBNL3-900	900	685	1035	790	6040	8836	505200	5000	22	32568	4.25	63.5	62.6	59.7	8.6
DBNL3-1000	1000	783	1139	880	6540	8836	510300	5000	30	36420	4.75	64	63.1	60.2	8.6

Explanation: 1. The measured value of the noise standard point Dm is 1.5 meters away from the tower wall and the foundation (when the tower wall is less than 1.5 meters, take dm=1.5 meters).
2. The design working conditions of this series are wet bulb temperature T=28 ℃, inlet temperature t1=37 ℃, and outlet temperature t2=32 ℃, that is, the water temperature drop △ t=5 ℃, and the approximation degree t2=4.
3. The cooling water quantities for t=28 ℃, Δ=5 ℃ and 8 ℃, and t2=32 ℃ are listed in this table for reference when selecting. The cooling water quantities for other parameters are checked in the heating line table.
4. Water inlet pressure refers to the water pressure at the pipe point, which is 1kg/cm ²=9.8 × 10⁴p. Therefore, the water pressure in this series ranges from 0.2 to 0.49 kgf/cm².
CDBNL₃ series low noise counter flow fiberglass cooling tower

Parameters/Model	T=28 ℃ cooling water volume（m³/h）		T=27 ℃ cooling water volume（m³/h）		Dimensions（mm）		Air volume（m³/h)	Fan diameter（mm）	Power（kw）	Operating heavy（kg）	Water inlet pressure 10*pа	Noise dB（A）			Diameter
Parameters/Model	△t=5℃	△t=8℃	△t=5℃	△t=8℃	Total height	Maximum diameter	Air volume（m³/h)	Fan diameter（mm）	Power（kw）	Operating heavy（kg）	Water inlet pressure 10*pа	Dm	10m	16m	Diameter
CDBNL3-12	12	9	15	10	2972	1600	7200	700	0.6	584	1.9	50	37.1	33.5	1.5
CDBNL3-20	20	15	24	17	3062	2000	18000	800	0.8	644	2	50	36.3	32.6	1.5
CDBNL3-30	30	22	35	27	3281	2400	18000	1200	0.8	1100	2.21	51	39.5	35.9	1.8
CDBNL3-40	40	30	46	34	3781	2400	21500	1200	1.1	1258	2.6	51	39.5	35.9	1.8
CDBNL3-50	50	37	57	44	3816	2800	28000	1400	1.5	1640	2.65	51	40.7	37.1	2.1
CDBNL3-60	60	44	68	51	4066	2800	32300	1400	1.5	1752	2.9	52	41.7	38.1	2.1
CDBNL3-70	70	51	79	60	4153	3300	39200	1600	2.2	2272	2.78	52	43	39	2.5
CDBNL3-80	80	61	92	70	4403	3300	43400	1600	2.2	2451	3.03	52.5	43.5	39.5	2.5
CDBNL3-100	100	74	114	86	4410	3900	56000	1800	3	3322	2.86	53	46	42	3
CDBNL3-125	125	92	142	108	4690	3900	67200	1800	4	3422	3.15	54	46.7	43.4	3
CDBNL3-150	150	112	171	129	4765	4600	84000	2400	4	4475	2.9	54	47.5	44.1	3.6
CDBNL3-175	175	131	200	150	5015	4600	94300	2400	5.5	4808	3.15	55	48.5	45.1	3.6
CDBNL3-200	200	153	231	180	5194	5700	112000	2800	5.5	6123	3.01	55	49.6	46.3	4.2
CDBNL3-250	250	186	283	215	5444	5700	134300	2800	7.5	6892	3.26	56	50.6	47.3	4.2
CDBNL3-300	300	225	334	260	5713	6400	168000	3400	7.5	9805	3.5	56	51.8	48.5	5
CDBNL3-350	350	267	395	304	5963	6400	187400	3400	11	10479	3.75	56.5	52.3	49	5
CDBNL3-400	400	301	455	341	6269	7400	224000	3800	11	12782	3.6	57	53.8	50.7	5.9
CDBNL3-450	450	343	514	387	6519	7400	242000	3800	11	14160	3.85	57	53.8	50.7	5.9
CDBNL3-500	500	375	576	427	6890	8200	280000	4200	15	17102	3.7	57	55	51.9	6.6
CDBNL3-600	600	454	680	516	7390	8200	302200	4200	18.5	12904	4.2	58	56	52.4	6.6

Explanation: 1. The noise is measured at the standard point Dm, far from the tower wall and 1.5 meters from the foundation (when the diameter is less than 1.5 meters, take dm=1.5 meters).
2. The value at the noise standard point Dm shall prevail, and the values at other points shall be used as a reference for users when selecting towers.
3. The standard design condition for this series of towers is: wet bulb temperature T=28 ℃ The inlet water temperature is t1=37. The outlet water temperature is t2=32. The inlet water pressure refers to the outlet water pressure at the connection point
4. This table lists the water quantities for T=28, △ t=5 and 8 ℃, t=32 ℃ and t=27 ℃, △ t=5 and 8 ℃, and t2=32 ℃ for reference when selecting.
GBNL₃ series industrial counter flow fiberglass cooling tower

Parameters/Model	T=28 ℃ cooling water volume（m³/h）			T=27 ℃ cooling water volume（m³/h）			Dimensions（mm）		Air volume（m³/h)	Fan diameter（mm）	Power（kw）	Operating heavy（kg）	Water inlet pressure 104pа
Parameters/Model	△t=10℃	△t=10℃	△t=25℃	△t=10℃	△t=20℃	△t=25℃	Total height	Maximum diameter	Air volume（m³/h)	Fan diameter（mm）	Power（kw）	Operating heavy（kg）	Water inlet pressure 104pа
GBNL3-8	8	6	4	11	7	5	2033	1210	7200	700	0.55	584	1.9
GBNL3-12	12	10	8	14	11	9	2123	1460	12400	800	0.75	644	2
GBNL3-20	20	17	14	23	19	16	2342	1912	18000	1200	0.75	1100	2.21
GBNL3-25	25	21	18	29	23	24	2842	2215	21500	1200	1.1	1258	2.6
GBNL3-30	30	25	21	34	28	25	2830	2215	28000	1400	1.5	1640	2.65
GBNL3-40	40	33	28	45	37	33	3080	2215	32300	1600	2.2	2272	2.78
GBNL3-50	50	41	35	55	45	41	3094	2629	39200	1600	2.2	2064	2.9
GBNL3-60	60	49	42	66	54	49	3344	2629	43400	1600	2.2	2243	3.03
GBNL3-70	70	64	56	77	68	60	3294	3134	40800	1800	2.2	3034	2.86
GBNL3-80	80	73	65	88	78	68	3544	3134	54000	1800	3	3230	3.15
GBNL3-100	100	91	83	110	96	85	3553	3732	71300	2400	3	4125	2.9
GBNL3-125	125	114	100	137	120	106	3803	3732	84000	2400	4	4461	3.15
GBNL3-150	150	136	119	166	145	127	3835	4342	106000	2800	4	5592	3.01
GBNL3-175	175	157	139	192	168	148	4085	4342	118000	2800	5.5	6365	3.26
GBNL3-200	200	180	159	220	191	169	4223	5134	141300	3400	5.5	9080	3.5
GBNL3-250	250	225	199	275	239	212	4473	5134	167900	3400	7.5	9743	3.75
GBNL3-300	300	270	240	332	290	253	4618	6044	212000	3800	11	12560	3.6
GBNL3-350	350	316	276	386	336	296	4868	6044	235300	3800	11	13344	3.85
GBNL3-400	400	360	315	442	383	338	5219	6476	282800	4200	11	16078	3.7
GBNL3-450	450	406	358	495	431	381	5719	6476	285000	4200	15	18180	4.2
GBNL3-500	500	449	393	550	477	422	5589	7766	353200	4700	15	22709	3.95
GBNL3-600	600	545	480	660	576	507	6089	7766	381400	4700	18.5	25565	4.45
GBNL3-700	700	629	558	880	673	591	6040	8836	495500	5000	22	32210	4.25
GBNL3-800	800	728	644	775	772	680	6540	8836	507500	5000	30	36040	4.75

Explanation: 1. The standard point noise value can refer to the noise value of DBNL3 series equal diameter towers. When using planetary gear reducers, the noise value should be increased by 2-5 points.
2. The cooling water volume for wet bulb temperatures T=28 ℃ and t=27 ℃ listed in this table is as follows: when the water temperature drops △ t=10 ℃, the inlet temperature t1=43 ℃, and the outlet temperature t2=33 ℃; when the water temperature drops △ t=20 ℃ and 25 ℃, the inlet temperature t1 is 55 ℃ and 60 ℃, respectively, and the outlet temperature t2=35 ℃.
3. The inlet pipe pressure refers to the water pressure at the connection point, which is 1kgf/cm²=9.8 × 104Pa. Therefore, the water pressure in this series is between 0.2-0.49kgf/cm².
Boundary dimensions of low noise DBNL₃-12-125/industrial GBNL₃-70-80 cooling towers

Model	L	L1	L2	R0	φ0	φ1	φ2	R	b	Dg1	Dg2	Dg3	Dg4	Dg5	Dg6
DBNL3-12	2033	1783	250	-	1210	1100	700	550	300	60	114	25	15	15	25
DBNL3 20	2123	1873	250	-	1460	1350	800	660	300	60	114	25	15	15	25
DBNL3-30	2342	2044	298	-	1912	1800	1200	820	400	89	140	25	15	15	25
DBNL3-40	2842	2542	300	-	1912	1800	1200	820	400	89	140	25	20	20	25
DBNL3-50	2830	2530	300	-	2215	2100	1400	985	500	89	140	32	20	20	25
DBNL3-60	3080	2780	300	-	2215	2100	1400	985	500	89	140	32	20	20	25
DBNL3-70	3094	2794	300	-	2629	2500	1600	1214	800	140	219	40	20	20	40
DBNL3-80	3344	3044	300	-	2629	2500	1600	1214	800	140	219	40	20	20	40
DBNL3-100 GBNL3-70	3294	2994	300	-	3134	3000	1800	1415	1100	140	219	40	20	20	40
DBNL3-125 GBNL3-80	3544	3244	300	-	3134	3000	1800	1415	1100	140	219	40	20	20	40

External dimensions of ultra low noise CDBNL₃-125 cooling tower

Model	L	L1	L2	R0	φ0	φ1	φ2	R	b	Dg1	Dg2	Dg3	Dg4	Dg5	Dg6
CDBNL3-12	-	-	250	-	1600	1100	-	550	300	60	114	25	15	15	25
CDBNL3-20	-	-	250	-	2000	1350	-	660	300	60	114	25	15	15	25
CDBNL3-30	-	-	250	-	2400	1800	-	820	400	89	140	25	15	15	25
CDBNL3-40	-	-	300	-	2400	1800	-	820	400	89	140	25	20	20	25
CDBNL3-50	3816	3516	300	1550	2800	2100	2180	985	500	89	140	32	20	20	25
CDBNL3-60	4066	3766	300	1550	2800	2100	2180	985	500	89	140	32	20	20	25
CDBNL3-70	4153	3853	300	2018	3300	2500	2380	1214	800	140	219	40	20	20	40
CDBNL3-80	4403	4103	300	2018	3300	2500	2380	1214	800	140	219	40	20	20	40
CDBNL3-100	4440	4140	300	2254	3900	3000	2580	1415	1100	140	219	40	20	20	40
CDBNL3-125	4690	4390	300	2254	3900	3000	2580	1415	1100	140	219	40	20	20	40

External installation dimensions of low noise DBNL₃-150-250 cooling tower
Outline installation dimensions of industrial GBNL₃-100-175 cooling towers

Model	L	L1	L2	R0	φ0	φ1	φ2	φ3	φ4	R	b1	b2	Dg1	Dg2	Dg3	Dg4	Dg5	Dg6
DBNL3-150 GBNL3-100	3553	3553	200	-	3732	3600	2400	360	400	1836	300	320	165	273	80	25	25	50
DBNL3-175 GBNL3-125	3803	3603	200	-	3732	3600	2400	410	450	1836	300	320	165	273	80	25	25	50
DBNL3-200 GBNL3-150	3835	3615	220	-	4342	4200	2800	460	500	2193	350	370	165	273	80	32	32	50
DBNL3-250 GBNL3-175	4085	3860	220	-	4342	4200	2800	460	500	2193	350	370	165	273	80	32	32	50

External installation dimensions of ultra low noise CDBNL₃-150-250 cooling tower

Model	L	L1	L2	R0	φ0	φ1	φ2	φ3	φ4	R	b1	b2	Dg1	Dg2	Dg3	Dg4	Dg5	Dg6
CDBNL3-150	4765	4565	200	2570	4600	3600	3210	360	400	1836	300	320	165	273	80	25	25	50
CDBNL3-175	5015	4815	200	2570	4600	3600	3210	360	400	1836	300	320	165	273	80	25	25	50
CDBNL3-200	5194	4974	220	2970	5700	4200	3648	410	450	2193	350	370	165	273	80	32	32	50
CDBNL3-250	5444	5224	220	2970	5700	4200	3648	410	450	2193	350	370	165	273	80	32	32	50

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